restaurant owners however says they can't raise pay due to weakness in the economy. chuck coppola - picks up the story with more on wage equality.. fast-food workers and others who want their minimum wage jobs to pay more are planning a nationwide strike today. it coincides with our cover story's look at the push to help more americans find jobs that pay enough to support a family. the year-long push for higher wages is gaining support---from san francisco which raised its minimum to 10-55 an hour. to the d.c. council, which is about to send an 11-50 minimum wage bill to washington d.c.'s mayor. wednesday, president obama called income inequality "the defining challenge of our time." "we've got to move beyond the false notion that this is an issue exclusively of minority concern. and we have to reject a politics that suggests any effort to address it in a meaningful way somehow pits the interest of a deserving middle class against those of an underserving poor in search of handouts." while the president spoke, u.s. labor secretary thomas perez toured chicago-based re